Devonian - Definition
devonian
n 1: from 405 million to 345 million years ago; preponderance of
fishes and appearance of amphibians and ammonites [syn:
Devonian, Devonian period, Age of Fishes]
n 1: from 405 million to 345 million years ago; preponderance of
fishes and appearance of amphibians and ammonites [syn:
Devonian, Devonian period, Age of Fishes]